Double-blind therapeutic trial in Angelman syndrome using betaine and folic acid.


Angelman syndrome (AS) is caused by reduced or absent expression of the maternally inherited ubiquitin protein ligase 3A gene (UBE3A), which maps to chromosome 15q11-q13. UBE3A is subject to genomic imprinting in neurons in most regions of the brain. Expression of UBE3A from the maternal chromosome is essential to prevent AS, because the paternally… (More)
DOI: 10.1002/ajmg.a.33509


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